./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_05_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa315d4-6a9c-4fb4-9eb1-26f4c9df4105/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa315d4-6a9c-4fb4-9eb1-26f4c9df4105/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa315d4-6a9c-4fb4-9eb1-26f4c9df4105/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa315d4-6a9c-4fb4-9eb1-26f4c9df4105/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_05_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa315d4-6a9c-4fb4-9eb1-26f4c9df4105/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa315d4-6a9c-4fb4-9eb1-26f4c9df4105/bin/uautomizer-vX5HgA9Q3a --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a814cf57fd535147ce2446449d6b11390c829ca4349271f7ff62504085d77607 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 09:13:59,091 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 09:13:59,093 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 09:13:59,126 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 09:13:59,133 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 09:13:59,138 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 09:13:59,142 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 09:13:59,145 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 09:13:59,147 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 09:13:59,148 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 09:13:59,149 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 09:13:59,151 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 09:13:59,151 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 09:13:59,152 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 09:13:59,154 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 09:13:59,155 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 09:13:59,159 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 09:13:59,164 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 09:13:59,166 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 09:13:59,176 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 09:13:59,179 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 09:13:59,180 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 09:13:59,182 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 09:13:59,183 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 09:13:59,186 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 09:13:59,187 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 09:13:59,187 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 09:13:59,188 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 09:13:59,189 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 09:13:59,190 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 09:13:59,190 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 09:13:59,191 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 09:13:59,192 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 09:13:59,193 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 09:13:59,195 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 09:13:59,195 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 09:13:59,196 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 09:13:59,196 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 09:13:59,197 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 09:13:59,198 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 09:13:59,199 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 09:13:59,200 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa315d4-6a9c-4fb4-9eb1-26f4c9df4105/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-21 09:13:59,225 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 09:13:59,225 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 09:13:59,226 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 09:13:59,226 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 09:13:59,227 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 09:13:59,227 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 09:13:59,228 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 09:13:59,228 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 09:13:59,229 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 09:13:59,229 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 09:13:59,229 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 09:13:59,230 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 09:13:59,230 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 09:13:59,230 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 09:13:59,231 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 09:13:59,231 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 09:13:59,231 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 09:13:59,232 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 09:13:59,232 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 09:13:59,232 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 09:13:59,233 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 09:13:59,233 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 09:13:59,233 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 09:13:59,233 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 09:13:59,234 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 09:13:59,234 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 09:13:59,234 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 09:13:59,235 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 09:13:59,235 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 09:13:59,235 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 09:13:59,236 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 09:13:59,236 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 09:13:59,236 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa315d4-6a9c-4fb4-9eb1-26f4c9df4105/bin/uautomizer-vX5HgA9Q3a/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa315d4-6a9c-4fb4-9eb1-26f4c9df4105/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a814cf57fd535147ce2446449d6b11390c829ca4349271f7ff62504085d77607 [2022-11-21 09:13:59,580 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 09:13:59,622 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 09:13:59,625 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 09:13:59,626 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 09:13:59,627 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 09:13:59,628 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa315d4-6a9c-4fb4-9eb1-26f4c9df4105/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_05_good.i [2022-11-21 09:14:02,872 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 09:14:03,256 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 09:14:03,257 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa315d4-6a9c-4fb4-9eb1-26f4c9df4105/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_05_good.i [2022-11-21 09:14:03,294 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa315d4-6a9c-4fb4-9eb1-26f4c9df4105/bin/uautomizer-vX5HgA9Q3a/data/9aab4d13d/0783cefd284d4f4aba88dc8c5e4d6287/FLAGc1b4445dd [2022-11-21 09:14:03,311 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa315d4-6a9c-4fb4-9eb1-26f4c9df4105/bin/uautomizer-vX5HgA9Q3a/data/9aab4d13d/0783cefd284d4f4aba88dc8c5e4d6287 [2022-11-21 09:14:03,314 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 09:14:03,316 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 09:14:03,318 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 09:14:03,318 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 09:14:03,322 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 09:14:03,323 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:14:03" (1/1) ... [2022-11-21 09:14:03,324 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@238b84fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:14:03, skipping insertion in model container [2022-11-21 09:14:03,325 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:14:03" (1/1) ... [2022-11-21 09:14:03,333 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 09:14:03,421 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 09:14:03,856 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 09:14:04,432 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 09:14:04,450 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 09:14:04,490 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 09:14:04,600 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 09:14:04,771 INFO L208 MainTranslator]: Completed translation [2022-11-21 09:14:04,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:14:04 WrapperNode [2022-11-21 09:14:04,772 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 09:14:04,774 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 09:14:04,774 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 09:14:04,774 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 09:14:04,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:14:04" (1/1) ... [2022-11-21 09:14:04,843 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:14:04" (1/1) ... [2022-11-21 09:14:04,883 INFO L138 Inliner]: procedures = 504, calls = 85, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 113 [2022-11-21 09:14:04,884 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 09:14:04,884 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 09:14:04,884 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 09:14:04,885 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 09:14:04,898 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:14:04" (1/1) ... [2022-11-21 09:14:04,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:14:04" (1/1) ... [2022-11-21 09:14:04,914 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:14:04" (1/1) ... [2022-11-21 09:14:04,914 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:14:04" (1/1) ... [2022-11-21 09:14:04,923 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:14:04" (1/1) ... [2022-11-21 09:14:04,932 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:14:04" (1/1) ... [2022-11-21 09:14:04,934 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:14:04" (1/1) ... [2022-11-21 09:14:04,936 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:14:04" (1/1) ... [2022-11-21 09:14:04,948 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 09:14:04,949 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 09:14:04,950 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 09:14:04,950 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 09:14:04,951 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:14:04" (1/1) ... [2022-11-21 09:14:04,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 09:14:04,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa315d4-6a9c-4fb4-9eb1-26f4c9df4105/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:14:04,998 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa315d4-6a9c-4fb4-9eb1-26f4c9df4105/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 09:14:05,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa315d4-6a9c-4fb4-9eb1-26f4c9df4105/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 09:14:05,038 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-21 09:14:05,038 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-21 09:14:05,039 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-21 09:14:05,039 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 09:14:05,039 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 09:14:05,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 09:14:05,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-21 09:14:05,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 09:14:05,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 09:14:05,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 09:14:05,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 09:14:05,040 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 09:14:05,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 09:14:05,237 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 09:14:05,240 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 09:14:05,649 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 09:14:05,657 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 09:14:05,657 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 09:14:05,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:14:05 BoogieIcfgContainer [2022-11-21 09:14:05,660 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 09:14:05,663 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 09:14:05,663 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 09:14:05,667 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 09:14:05,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 09:14:03" (1/3) ... [2022-11-21 09:14:05,668 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@360aeaaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:14:05, skipping insertion in model container [2022-11-21 09:14:05,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:14:04" (2/3) ... [2022-11-21 09:14:05,669 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@360aeaaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:14:05, skipping insertion in model container [2022-11-21 09:14:05,669 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:14:05" (3/3) ... [2022-11-21 09:14:05,670 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fgets_multiply_05_good.i [2022-11-21 09:14:05,693 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 09:14:05,693 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-21 09:14:05,744 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 09:14:05,750 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@713bdc95, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 09:14:05,750 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-21 09:14:05,754 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 42 states have (on average 1.5952380952380953) internal successors, (67), 60 states have internal predecessors, (67), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 9 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-21 09:14:05,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-21 09:14:05,763 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:14:05,764 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:14:05,764 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-21 09:14:05,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:14:05,770 INFO L85 PathProgramCache]: Analyzing trace with hash -457675659, now seen corresponding path program 1 times [2022-11-21 09:14:05,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:14:05,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107011184] [2022-11-21 09:14:05,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:14:05,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:14:05,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:14:06,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 09:14:06,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:14:06,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:14:06,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:14:06,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107011184] [2022-11-21 09:14:06,116 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107011184] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:14:06,117 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:14:06,117 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 09:14:06,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606304946] [2022-11-21 09:14:06,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:14:06,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:14:06,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:14:06,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:14:06,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:14:06,166 INFO L87 Difference]: Start difference. First operand has 65 states, 42 states have (on average 1.5952380952380953) internal successors, (67), 60 states have internal predecessors, (67), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 9 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-21 09:14:06,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:14:06,221 INFO L93 Difference]: Finished difference Result 122 states and 170 transitions. [2022-11-21 09:14:06,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:14:06,224 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-11-21 09:14:06,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:14:06,234 INFO L225 Difference]: With dead ends: 122 [2022-11-21 09:14:06,235 INFO L226 Difference]: Without dead ends: 57 [2022-11-21 09:14:06,238 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:14:06,242 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 81 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 09:14:06,244 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 79 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 09:14:06,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2022-11-21 09:14:06,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2022-11-21 09:14:06,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 37 states have (on average 1.4594594594594594) internal successors, (54), 53 states have internal predecessors, (54), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 7 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-21 09:14:06,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 74 transitions. [2022-11-21 09:14:06,294 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 74 transitions. Word has length 13 [2022-11-21 09:14:06,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:14:06,295 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 74 transitions. [2022-11-21 09:14:06,296 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-21 09:14:06,296 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 74 transitions. [2022-11-21 09:14:06,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-21 09:14:06,298 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:14:06,298 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:14:06,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 09:14:06,298 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-21 09:14:06,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:14:06,300 INFO L85 PathProgramCache]: Analyzing trace with hash 1858149296, now seen corresponding path program 1 times [2022-11-21 09:14:06,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:14:06,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847438098] [2022-11-21 09:14:06,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:14:06,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:14:06,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:14:06,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 09:14:06,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:14:06,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:14:06,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:14:06,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847438098] [2022-11-21 09:14:06,431 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847438098] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:14:06,431 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:14:06,432 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:14:06,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099411225] [2022-11-21 09:14:06,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:14:06,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:14:06,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:14:06,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:14:06,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:14:06,435 INFO L87 Difference]: Start difference. First operand 57 states and 74 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-21 09:14:06,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:14:06,467 INFO L93 Difference]: Finished difference Result 89 states and 115 transitions. [2022-11-21 09:14:06,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:14:06,468 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2022-11-21 09:14:06,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:14:06,469 INFO L225 Difference]: With dead ends: 89 [2022-11-21 09:14:06,470 INFO L226 Difference]: Without dead ends: 88 [2022-11-21 09:14:06,470 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:14:06,472 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 35 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 09:14:06,472 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 176 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 09:14:06,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2022-11-21 09:14:06,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 56. [2022-11-21 09:14:06,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 37 states have (on average 1.4324324324324325) internal successors, (53), 52 states have internal predecessors, (53), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 7 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-21 09:14:06,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 73 transitions. [2022-11-21 09:14:06,501 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 73 transitions. Word has length 15 [2022-11-21 09:14:06,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:14:06,502 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 73 transitions. [2022-11-21 09:14:06,502 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-21 09:14:06,503 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 73 transitions. [2022-11-21 09:14:06,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-21 09:14:06,510 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:14:06,510 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:14:06,510 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 09:14:06,511 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-21 09:14:06,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:14:06,513 INFO L85 PathProgramCache]: Analyzing trace with hash 1768053402, now seen corresponding path program 1 times [2022-11-21 09:14:06,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:14:06,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583501956] [2022-11-21 09:14:06,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:14:06,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:14:06,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:14:06,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 09:14:06,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:14:06,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:14:06,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:14:06,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583501956] [2022-11-21 09:14:06,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583501956] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:14:06,659 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:14:06,659 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:14:06,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755389500] [2022-11-21 09:14:06,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:14:06,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:14:06,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:14:06,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:14:06,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:14:06,661 INFO L87 Difference]: Start difference. First operand 56 states and 73 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-21 09:14:06,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:14:06,719 INFO L93 Difference]: Finished difference Result 133 states and 172 transitions. [2022-11-21 09:14:06,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:14:06,720 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2022-11-21 09:14:06,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:14:06,722 INFO L225 Difference]: With dead ends: 133 [2022-11-21 09:14:06,722 INFO L226 Difference]: Without dead ends: 92 [2022-11-21 09:14:06,723 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:14:06,724 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 38 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 09:14:06,725 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 141 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 09:14:06,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2022-11-21 09:14:06,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 59. [2022-11-21 09:14:06,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 41 states have (on average 1.4146341463414633) internal successors, (58), 54 states have internal predecessors, (58), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 7 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-21 09:14:06,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 78 transitions. [2022-11-21 09:14:06,747 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 78 transitions. Word has length 16 [2022-11-21 09:14:06,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:14:06,747 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 78 transitions. [2022-11-21 09:14:06,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-21 09:14:06,748 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 78 transitions. [2022-11-21 09:14:06,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-21 09:14:06,749 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:14:06,749 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:14:06,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 09:14:06,750 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-21 09:14:06,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:14:06,751 INFO L85 PathProgramCache]: Analyzing trace with hash 612967497, now seen corresponding path program 1 times [2022-11-21 09:14:06,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:14:06,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824171151] [2022-11-21 09:14:06,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:14:06,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:14:06,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:14:06,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 09:14:06,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:14:06,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:14:06,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:14:06,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824171151] [2022-11-21 09:14:06,844 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824171151] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:14:06,844 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:14:06,844 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:14:06,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684970786] [2022-11-21 09:14:06,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:14:06,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:14:06,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:14:06,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:14:06,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:14:06,847 INFO L87 Difference]: Start difference. First operand 59 states and 78 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-21 09:14:06,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:14:06,875 INFO L93 Difference]: Finished difference Result 77 states and 99 transitions. [2022-11-21 09:14:06,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:14:06,876 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2022-11-21 09:14:06,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:14:06,877 INFO L225 Difference]: With dead ends: 77 [2022-11-21 09:14:06,877 INFO L226 Difference]: Without dead ends: 76 [2022-11-21 09:14:06,878 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:14:06,879 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 21 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 09:14:06,880 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 149 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 09:14:06,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-11-21 09:14:06,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 58. [2022-11-21 09:14:06,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 41 states have (on average 1.3902439024390243) internal successors, (57), 53 states have internal predecessors, (57), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 7 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-21 09:14:06,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 77 transitions. [2022-11-21 09:14:06,894 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 77 transitions. Word has length 21 [2022-11-21 09:14:06,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:14:06,894 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 77 transitions. [2022-11-21 09:14:06,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-21 09:14:06,895 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 77 transitions. [2022-11-21 09:14:06,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-21 09:14:06,896 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:14:06,896 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:14:06,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-21 09:14:06,897 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-21 09:14:06,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:14:06,897 INFO L85 PathProgramCache]: Analyzing trace with hash 1822123333, now seen corresponding path program 1 times [2022-11-21 09:14:06,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:14:06,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675558677] [2022-11-21 09:14:06,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:14:06,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:14:06,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:14:06,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 09:14:06,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:14:06,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:14:06,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:14:06,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675558677] [2022-11-21 09:14:06,974 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675558677] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:14:06,974 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:14:06,975 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:14:06,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101367649] [2022-11-21 09:14:06,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:14:06,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:14:06,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:14:06,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:14:06,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:14:06,977 INFO L87 Difference]: Start difference. First operand 58 states and 77 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-21 09:14:07,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:14:07,030 INFO L93 Difference]: Finished difference Result 106 states and 133 transitions. [2022-11-21 09:14:07,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:14:07,031 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 22 [2022-11-21 09:14:07,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:14:07,032 INFO L225 Difference]: With dead ends: 106 [2022-11-21 09:14:07,032 INFO L226 Difference]: Without dead ends: 79 [2022-11-21 09:14:07,033 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:14:07,034 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 23 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 09:14:07,035 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 130 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 09:14:07,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2022-11-21 09:14:07,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 61. [2022-11-21 09:14:07,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 45 states have (on average 1.3555555555555556) internal successors, (61), 55 states have internal predecessors, (61), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 7 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-21 09:14:07,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 81 transitions. [2022-11-21 09:14:07,047 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 81 transitions. Word has length 22 [2022-11-21 09:14:07,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:14:07,048 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 81 transitions. [2022-11-21 09:14:07,048 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-21 09:14:07,049 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 81 transitions. [2022-11-21 09:14:07,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-21 09:14:07,050 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:14:07,050 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:14:07,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-21 09:14:07,051 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-21 09:14:07,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:14:07,052 INFO L85 PathProgramCache]: Analyzing trace with hash -869928021, now seen corresponding path program 1 times [2022-11-21 09:14:07,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:14:07,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083360102] [2022-11-21 09:14:07,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:14:07,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:14:07,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:14:07,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 09:14:07,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:14:07,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:14:07,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:14:07,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083360102] [2022-11-21 09:14:07,204 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083360102] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:14:07,205 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:14:07,205 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:14:07,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969670382] [2022-11-21 09:14:07,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:14:07,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:14:07,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:14:07,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:14:07,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:14:07,208 INFO L87 Difference]: Start difference. First operand 61 states and 81 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-21 09:14:07,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:14:07,254 INFO L93 Difference]: Finished difference Result 83 states and 104 transitions. [2022-11-21 09:14:07,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:14:07,255 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2022-11-21 09:14:07,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:14:07,260 INFO L225 Difference]: With dead ends: 83 [2022-11-21 09:14:07,260 INFO L226 Difference]: Without dead ends: 74 [2022-11-21 09:14:07,262 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:14:07,273 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 10 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 09:14:07,274 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 129 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 09:14:07,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2022-11-21 09:14:07,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 64. [2022-11-21 09:14:07,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 48 states have (on average 1.3333333333333333) internal successors, (64), 57 states have internal predecessors, (64), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 7 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-21 09:14:07,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 84 transitions. [2022-11-21 09:14:07,293 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 84 transitions. Word has length 24 [2022-11-21 09:14:07,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:14:07,294 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 84 transitions. [2022-11-21 09:14:07,294 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-21 09:14:07,294 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 84 transitions. [2022-11-21 09:14:07,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-21 09:14:07,298 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:14:07,299 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:14:07,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-21 09:14:07,303 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-21 09:14:07,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:14:07,304 INFO L85 PathProgramCache]: Analyzing trace with hash -1197964736, now seen corresponding path program 1 times [2022-11-21 09:14:07,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:14:07,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049306233] [2022-11-21 09:14:07,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:14:07,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:14:07,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:14:07,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 09:14:07,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:14:07,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:14:07,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:14:07,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049306233] [2022-11-21 09:14:07,428 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049306233] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:14:07,428 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:14:07,428 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:14:07,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721158175] [2022-11-21 09:14:07,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:14:07,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:14:07,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:14:07,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:14:07,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:14:07,432 INFO L87 Difference]: Start difference. First operand 64 states and 84 transitions. Second operand has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-21 09:14:07,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:14:07,478 INFO L93 Difference]: Finished difference Result 64 states and 84 transitions. [2022-11-21 09:14:07,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:14:07,479 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-11-21 09:14:07,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:14:07,481 INFO L225 Difference]: With dead ends: 64 [2022-11-21 09:14:07,484 INFO L226 Difference]: Without dead ends: 63 [2022-11-21 09:14:07,484 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:14:07,485 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 11 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 09:14:07,487 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 115 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 09:14:07,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2022-11-21 09:14:07,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2022-11-21 09:14:07,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 48 states have (on average 1.3125) internal successors, (63), 56 states have internal predecessors, (63), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 7 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-21 09:14:07,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 83 transitions. [2022-11-21 09:14:07,508 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 83 transitions. Word has length 25 [2022-11-21 09:14:07,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:14:07,508 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 83 transitions. [2022-11-21 09:14:07,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-21 09:14:07,509 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 83 transitions. [2022-11-21 09:14:07,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-21 09:14:07,510 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:14:07,512 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:14:07,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-21 09:14:07,513 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-21 09:14:07,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:14:07,514 INFO L85 PathProgramCache]: Analyzing trace with hash 1115786649, now seen corresponding path program 1 times [2022-11-21 09:14:07,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:14:07,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376287722] [2022-11-21 09:14:07,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:14:07,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:14:07,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:14:07,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 09:14:07,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:14:07,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-21 09:14:07,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:14:07,634 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-21 09:14:07,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:14:07,637 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376287722] [2022-11-21 09:14:07,638 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376287722] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:14:07,638 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:14:07,638 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 09:14:07,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446448966] [2022-11-21 09:14:07,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:14:07,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:14:07,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:14:07,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:14:07,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:14:07,642 INFO L87 Difference]: Start difference. First operand 63 states and 83 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-21 09:14:07,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:14:07,665 INFO L93 Difference]: Finished difference Result 101 states and 128 transitions. [2022-11-21 09:14:07,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:14:07,666 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 29 [2022-11-21 09:14:07,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:14:07,667 INFO L225 Difference]: With dead ends: 101 [2022-11-21 09:14:07,667 INFO L226 Difference]: Without dead ends: 57 [2022-11-21 09:14:07,670 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:14:07,671 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 45 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 09:14:07,672 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 59 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 09:14:07,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2022-11-21 09:14:07,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2022-11-21 09:14:07,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 45 states have (on average 1.2222222222222223) internal successors, (55), 50 states have internal predecessors, (55), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-21 09:14:07,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 71 transitions. [2022-11-21 09:14:07,687 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 71 transitions. Word has length 29 [2022-11-21 09:14:07,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:14:07,687 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 71 transitions. [2022-11-21 09:14:07,687 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-21 09:14:07,687 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 71 transitions. [2022-11-21 09:14:07,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-21 09:14:07,688 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:14:07,689 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:14:07,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-21 09:14:07,689 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-21 09:14:07,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:14:07,690 INFO L85 PathProgramCache]: Analyzing trace with hash -1113802565, now seen corresponding path program 1 times [2022-11-21 09:14:07,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:14:07,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262632460] [2022-11-21 09:14:07,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:14:07,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:14:07,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:14:07,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 09:14:07,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:14:07,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-21 09:14:07,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:14:07,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:14:07,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:14:07,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262632460] [2022-11-21 09:14:07,789 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262632460] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:14:07,789 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:14:07,789 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:14:07,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148601128] [2022-11-21 09:14:07,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:14:07,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:14:07,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:14:07,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:14:07,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:14:07,793 INFO L87 Difference]: Start difference. First operand 57 states and 71 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-21 09:14:07,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:14:07,810 INFO L93 Difference]: Finished difference Result 57 states and 71 transitions. [2022-11-21 09:14:07,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:14:07,811 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 34 [2022-11-21 09:14:07,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:14:07,813 INFO L225 Difference]: With dead ends: 57 [2022-11-21 09:14:07,813 INFO L226 Difference]: Without dead ends: 56 [2022-11-21 09:14:07,813 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:14:07,816 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 2 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 09:14:07,817 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 111 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 09:14:07,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2022-11-21 09:14:07,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2022-11-21 09:14:07,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 45 states have (on average 1.2) internal successors, (54), 49 states have internal predecessors, (54), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-21 09:14:07,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 70 transitions. [2022-11-21 09:14:07,837 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 70 transitions. Word has length 34 [2022-11-21 09:14:07,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:14:07,839 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 70 transitions. [2022-11-21 09:14:07,840 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-21 09:14:07,840 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 70 transitions. [2022-11-21 09:14:07,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-21 09:14:07,841 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:14:07,842 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:14:07,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-21 09:14:07,842 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-21 09:14:07,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:14:07,844 INFO L85 PathProgramCache]: Analyzing trace with hash -168140984, now seen corresponding path program 1 times [2022-11-21 09:14:07,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:14:07,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882271568] [2022-11-21 09:14:07,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:14:07,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:14:07,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:14:07,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 09:14:07,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:14:07,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-21 09:14:07,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:14:07,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:14:07,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:14:07,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882271568] [2022-11-21 09:14:07,939 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882271568] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:14:07,940 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:14:07,940 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:14:07,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359788891] [2022-11-21 09:14:07,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:14:07,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:14:07,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:14:07,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:14:07,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:14:07,943 INFO L87 Difference]: Start difference. First operand 56 states and 70 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-21 09:14:07,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:14:07,953 INFO L93 Difference]: Finished difference Result 56 states and 70 transitions. [2022-11-21 09:14:07,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:14:07,954 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 35 [2022-11-21 09:14:07,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:14:07,954 INFO L225 Difference]: With dead ends: 56 [2022-11-21 09:14:07,954 INFO L226 Difference]: Without dead ends: 0 [2022-11-21 09:14:07,955 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:14:07,957 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 0 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 09:14:07,958 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 111 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 09:14:07,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-21 09:14:07,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-21 09:14:07,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:14:07,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-21 09:14:07,960 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 35 [2022-11-21 09:14:07,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:14:07,961 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-21 09:14:07,961 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-21 09:14:07,962 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-21 09:14:07,966 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 09:14:07,969 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-11-21 09:14:07,970 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-11-21 09:14:07,971 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-11-21 09:14:07,971 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-11-21 09:14:07,971 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-11-21 09:14:07,971 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-11-21 09:14:07,972 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-11-21 09:14:07,972 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-11-21 09:14:07,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-21 09:14:07,976 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-21 09:14:08,114 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-21 09:14:08,114 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-21 09:14:08,115 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-11-21 09:14:08,115 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-11-21 09:14:08,115 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-21 09:14:08,115 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-21 09:14:08,115 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-11-21 09:14:08,116 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1612) no Hoare annotation was computed. [2022-11-21 09:14:08,116 INFO L899 garLoopResultBuilder]: For program point L1596(lines 1596 1603) no Hoare annotation was computed. [2022-11-21 09:14:08,116 INFO L899 garLoopResultBuilder]: For program point L1588(lines 1588 1621) no Hoare annotation was computed. [2022-11-21 09:14:08,116 INFO L895 garLoopResultBuilder]: At program point L1613(line 1613) the Hoare annotation is: (and (= ~staticFalse~0 0) (<= 0 (+ |ULTIMATE.start_goodB2G2_~data~1#1| 1073741823)) (<= (+ |ULTIMATE.start_goodB2G2_~data~1#1| 1) 0) (= ~staticTrue~0 1)) [2022-11-21 09:14:08,117 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1655) no Hoare annotation was computed. [2022-11-21 09:14:08,117 INFO L899 garLoopResultBuilder]: For program point L1638(line 1638) no Hoare annotation was computed. [2022-11-21 09:14:08,117 INFO L899 garLoopResultBuilder]: For program point L1638-1(line 1638) no Hoare annotation was computed. [2022-11-21 09:14:08,117 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1578) no Hoare annotation was computed. [2022-11-21 09:14:08,117 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-21 09:14:08,117 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-21 09:14:08,118 INFO L895 garLoopResultBuilder]: At program point L1564(line 1564) the Hoare annotation is: (and (<= 0 (+ 1073741823 |ULTIMATE.start_goodB2G1_~data~0#1|)) (= ~staticFalse~0 0) (= ~staticTrue~0 1)) [2022-11-21 09:14:08,118 INFO L899 garLoopResultBuilder]: For program point L1564-1(lines 1558 1565) no Hoare annotation was computed. [2022-11-21 09:14:08,118 INFO L899 garLoopResultBuilder]: For program point L1655(line 1655) no Hoare annotation was computed. [2022-11-21 09:14:08,118 INFO L899 garLoopResultBuilder]: For program point L1622(lines 1622 1642) no Hoare annotation was computed. [2022-11-21 09:14:08,118 INFO L899 garLoopResultBuilder]: For program point L1655-1(line 1655) no Hoare annotation was computed. [2022-11-21 09:14:08,119 INFO L899 garLoopResultBuilder]: For program point L1647(lines 1647 1650) no Hoare annotation was computed. [2022-11-21 09:14:08,119 INFO L899 garLoopResultBuilder]: For program point L1647-2(lines 1644 1659) no Hoare annotation was computed. [2022-11-21 09:14:08,119 INFO L895 garLoopResultBuilder]: At program point L1672(line 1672) the Hoare annotation is: (= ~staticTrue~0 1) [2022-11-21 09:14:08,119 INFO L895 garLoopResultBuilder]: At program point L1639(line 1639) the Hoare annotation is: (and (= ~staticFalse~0 0) (= ~staticTrue~0 1) (<= 0 (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|))) [2022-11-21 09:14:08,120 INFO L899 garLoopResultBuilder]: For program point L1672-1(line 1672) no Hoare annotation was computed. [2022-11-21 09:14:08,120 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1578) no Hoare annotation was computed. [2022-11-21 09:14:08,120 INFO L895 garLoopResultBuilder]: At program point L1656(line 1656) the Hoare annotation is: (= ~staticTrue~0 1) [2022-11-21 09:14:08,120 INFO L895 garLoopResultBuilder]: At program point L1673(lines 1667 1674) the Hoare annotation is: (= ~staticTrue~0 1) [2022-11-21 09:14:08,120 INFO L899 garLoopResultBuilder]: For program point L1574(lines 1574 1585) no Hoare annotation was computed. [2022-11-21 09:14:08,133 INFO L899 garLoopResultBuilder]: For program point L1574-1(lines 1568 1586) no Hoare annotation was computed. [2022-11-21 09:14:08,133 INFO L899 garLoopResultBuilder]: For program point L1558(lines 1558 1565) no Hoare annotation was computed. [2022-11-21 09:14:08,134 INFO L895 garLoopResultBuilder]: At program point L1583(line 1583) the Hoare annotation is: (and (= ~staticFalse~0 0) (<= (+ |ULTIMATE.start_goodB2G1_~data~0#1| 1) 0) (= ~staticTrue~0 1)) [2022-11-21 09:14:08,134 INFO L899 garLoopResultBuilder]: For program point L1608(lines 1608 1619) no Hoare annotation was computed. [2022-11-21 09:14:08,134 INFO L899 garLoopResultBuilder]: For program point L1592(lines 1592 1605) no Hoare annotation was computed. [2022-11-21 09:14:08,134 INFO L899 garLoopResultBuilder]: For program point L1592-2(lines 1589 1621) no Hoare annotation was computed. [2022-11-21 09:14:08,135 INFO L895 garLoopResultBuilder]: At program point L1617(line 1617) the Hoare annotation is: (and (= ~staticFalse~0 0) (<= (+ |ULTIMATE.start_goodB2G2_~data~1#1| 1) 0) (= ~staticTrue~0 1)) [2022-11-21 09:14:08,135 INFO L899 garLoopResultBuilder]: For program point L1576(lines 1576 1584) no Hoare annotation was computed. [2022-11-21 09:14:08,135 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-21 09:14:08,135 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1638) no Hoare annotation was computed. [2022-11-21 09:14:08,136 INFO L899 garLoopResultBuilder]: For program point L1626(lines 1626 1633) no Hoare annotation was computed. [2022-11-21 09:14:08,136 INFO L899 garLoopResultBuilder]: For program point L1626-1(lines 1623 1642) no Hoare annotation was computed. [2022-11-21 09:14:08,136 INFO L899 garLoopResultBuilder]: For program point L1643(lines 1643 1659) no Hoare annotation was computed. [2022-11-21 09:14:08,136 INFO L899 garLoopResultBuilder]: For program point L1610(lines 1610 1618) no Hoare annotation was computed. [2022-11-21 09:14:08,137 INFO L895 garLoopResultBuilder]: At program point L1602(line 1602) the Hoare annotation is: (and (= ~staticFalse~0 0) (<= 0 (+ |ULTIMATE.start_goodB2G2_~data~1#1| 1073741823)) (= ~staticTrue~0 1)) [2022-11-21 09:14:08,137 INFO L899 garLoopResultBuilder]: For program point L1602-1(lines 1596 1603) no Hoare annotation was computed. [2022-11-21 09:14:08,137 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-21 09:14:08,137 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1638) no Hoare annotation was computed. [2022-11-21 09:14:08,137 INFO L899 garLoopResultBuilder]: For program point L1660(lines 1660 1666) no Hoare annotation was computed. [2022-11-21 09:14:08,138 INFO L899 garLoopResultBuilder]: For program point L1578(line 1578) no Hoare annotation was computed. [2022-11-21 09:14:08,138 INFO L899 garLoopResultBuilder]: For program point L1578-1(line 1578) no Hoare annotation was computed. [2022-11-21 09:14:08,138 INFO L899 garLoopResultBuilder]: For program point L1636(lines 1636 1640) no Hoare annotation was computed. [2022-11-21 09:14:08,138 INFO L895 garLoopResultBuilder]: At program point L1570(line 1570) the Hoare annotation is: false [2022-11-21 09:14:08,139 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1612) no Hoare annotation was computed. [2022-11-21 09:14:08,139 INFO L895 garLoopResultBuilder]: At program point L1628(line 1628) the Hoare annotation is: false [2022-11-21 09:14:08,139 INFO L899 garLoopResultBuilder]: For program point L1653(lines 1653 1657) no Hoare annotation was computed. [2022-11-21 09:14:08,139 INFO L899 garLoopResultBuilder]: For program point L1554(lines 1554 1567) no Hoare annotation was computed. [2022-11-21 09:14:08,139 INFO L899 garLoopResultBuilder]: For program point L1554-2(lines 1551 1587) no Hoare annotation was computed. [2022-11-21 09:14:08,140 INFO L899 garLoopResultBuilder]: For program point L1612(line 1612) no Hoare annotation was computed. [2022-11-21 09:14:08,140 INFO L895 garLoopResultBuilder]: At program point L1579(line 1579) the Hoare annotation is: (and (<= 0 (+ 1073741823 |ULTIMATE.start_goodB2G1_~data~0#1|)) (= ~staticFalse~0 0) (<= (+ |ULTIMATE.start_goodB2G1_~data~0#1| 1) 0) (= ~staticTrue~0 1)) [2022-11-21 09:14:08,140 INFO L899 garLoopResultBuilder]: For program point L1612-1(line 1612) no Hoare annotation was computed. [2022-11-21 09:14:08,140 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1655) no Hoare annotation was computed. [2022-11-21 09:14:08,141 INFO L895 garLoopResultBuilder]: At program point L1670(line 1670) the Hoare annotation is: (and (= ~staticFalse~0 0) (= ~staticTrue~0 1)) [2022-11-21 09:14:08,141 INFO L899 garLoopResultBuilder]: For program point L1670-1(line 1670) no Hoare annotation was computed. [2022-11-21 09:14:08,144 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:14:08,147 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 09:14:08,161 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 09:14:08 BoogieIcfgContainer [2022-11-21 09:14:08,162 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 09:14:08,162 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 09:14:08,163 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 09:14:08,163 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 09:14:08,163 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:14:05" (3/4) ... [2022-11-21 09:14:08,167 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 09:14:08,175 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-21 09:14:08,175 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-21 09:14:08,181 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2022-11-21 09:14:08,181 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-21 09:14:08,182 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-21 09:14:08,182 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 09:14:08,182 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 09:14:08,232 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa315d4-6a9c-4fb4-9eb1-26f4c9df4105/bin/uautomizer-vX5HgA9Q3a/witness.graphml [2022-11-21 09:14:08,232 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 09:14:08,233 INFO L158 Benchmark]: Toolchain (without parser) took 4916.89ms. Allocated memory was 134.2MB in the beginning and 220.2MB in the end (delta: 86.0MB). Free memory was 68.8MB in the beginning and 180.6MB in the end (delta: -111.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 09:14:08,233 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 134.2MB. Free memory was 107.6MB in the beginning and 107.4MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 09:14:08,234 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1455.21ms. Allocated memory was 134.2MB in the beginning and 182.5MB in the end (delta: 48.2MB). Free memory was 68.7MB in the beginning and 94.5MB in the end (delta: -25.8MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. [2022-11-21 09:14:08,234 INFO L158 Benchmark]: Boogie Procedure Inliner took 109.87ms. Allocated memory is still 182.5MB. Free memory was 94.5MB in the beginning and 91.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 09:14:08,235 INFO L158 Benchmark]: Boogie Preprocessor took 64.36ms. Allocated memory is still 182.5MB. Free memory was 91.5MB in the beginning and 89.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 09:14:08,235 INFO L158 Benchmark]: RCFGBuilder took 710.60ms. Allocated memory is still 182.5MB. Free memory was 89.4MB in the beginning and 143.3MB in the end (delta: -54.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-21 09:14:08,236 INFO L158 Benchmark]: TraceAbstraction took 2499.13ms. Allocated memory was 182.5MB in the beginning and 220.2MB in the end (delta: 37.7MB). Free memory was 142.3MB in the beginning and 184.8MB in the end (delta: -42.5MB). Peak memory consumption was 87.8MB. Max. memory is 16.1GB. [2022-11-21 09:14:08,236 INFO L158 Benchmark]: Witness Printer took 70.00ms. Allocated memory is still 220.2MB. Free memory was 184.8MB in the beginning and 180.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 09:14:08,239 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 134.2MB. Free memory was 107.6MB in the beginning and 107.4MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1455.21ms. Allocated memory was 134.2MB in the beginning and 182.5MB in the end (delta: 48.2MB). Free memory was 68.7MB in the beginning and 94.5MB in the end (delta: -25.8MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 109.87ms. Allocated memory is still 182.5MB. Free memory was 94.5MB in the beginning and 91.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.36ms. Allocated memory is still 182.5MB. Free memory was 91.5MB in the beginning and 89.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 710.60ms. Allocated memory is still 182.5MB. Free memory was 89.4MB in the beginning and 143.3MB in the end (delta: -54.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 2499.13ms. Allocated memory was 182.5MB in the beginning and 220.2MB in the end (delta: 37.7MB). Free memory was 142.3MB in the beginning and 184.8MB in the end (delta: -42.5MB). Peak memory consumption was 87.8MB. Max. memory is 16.1GB. * Witness Printer took 70.00ms. Allocated memory is still 220.2MB. Free memory was 184.8MB in the beginning and 180.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1578]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1578]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1612]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1612]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1638]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1638]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1655]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1655]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 65 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 10, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 292 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 266 mSDsluCounter, 1200 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 469 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 61 IncrementalHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 731 mSDtfsCounter, 61 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 46 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=65occurred in iteration=0, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 111 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 48 PreInvPairs, 57 NumberOfFragments, 114 HoareAnnotationTreeSize, 48 FomulaSimplifications, 382 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 15 FomulaSimplificationsInter, 30 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 234 NumberOfCodeBlocks, 234 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 224 ConstructedInterpolants, 0 QuantifiedInterpolants, 352 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 4/4 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 1667]: Loop Invariant Derived loop invariant: staticTrue == 1 RESULT: Ultimate proved your program to be correct! [2022-11-21 09:14:08,266 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa315d4-6a9c-4fb4-9eb1-26f4c9df4105/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE